<script setup>
import { ref } from 'vue'
import { Plus, Upload } from '@element-plus/icons-vue'
import { useUserStore } from '@/stores/user'
import { userUploadAvatarService } from '@/api/user'

const userStore = useUserStore()

const formData = ref({
  userId: '',
  avatar: ''
})
const imgUrl = ref(userStore.user.userPic)
// const imgData = ref(null)
const uploadRef = ref()
const onUploadFile = (uploadFile) => {
  //formData.value = URL.createObjectURL(uploadFile.raw)
  formData.value.avatar = uploadFile.raw
  formData.value.userId = userStore.user.userId
  // const reader = new FileReader()
  // reader.readAsDataURL(file.raw)
  // reader.onload = () => {
  //   formData.value.avatar = reader.result
  //   formData.value.userId = userStore.user.userId
  //   console.log("userId : " + formData.value.userId)
  // }
}
//选择预览图片
const onSelectFile = (uploadFile) => {
  console.log("onSelectFile")
  imgUrl.value = URL.createObjectURL(uploadFile.raw)
  onUploadFile(uploadFile)
}
//上传更新头像
const onUpdateAvatar = async () => {
  // 转换 formData 数据
  const fd = new FormData()
  for (let key in formData.value) {
    fd.append(key, formData.value[key])
  }
  await userUploadAvatarService(fd)
  await userStore.getUser()
  imgUrl.value = userStore.user.userPic
  ElMessage({ type: 'success', message: '更换头像成功' })
}

</script>

<template>
  <page-container title="更换头像">
    <el-row>
      <el-col :span="12">
        <!-- <el-upload ref="uploadRef"></el-upload> -->
        <el-upload ref="uploadRef" class="avatar-uploader" :auto-upload="false" :show-file-list="false"
          :on-change="onSelectFile">
          <img v-if="imgUrl" :src="imgUrl" class="avatar" />
          <el-icon v-else class="avatar-uploader-icon">
            <Plus />
          </el-icon>
        </el-upload>
        <el-button @click="uploadRef.$el.querySelector('input').click()" type="primary" :icon="Plus"
          size="large">选择图片</el-button>
        <el-button @click="onUpdateAvatar" type="success" :icon="Upload" size="large">
          上传头像
        </el-button>
      </el-col>
    </el-row>
  </page-container>
</template>

<style lang="scss" scoped>
.avatar-uploader {
  :deep() {
    .avatar {
      width: 278px;
      height: 278px;
      display: block;
    }

    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }

    .el-upload:hover {
      border-color: var(--el-color-primary);
    }

    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 278px;
      height: 278px;
      text-align: center;
    }
  }
}
</style>
